ASTM D 7050 - 04 (Reapproved 2014) Standard Practice for Rubber from Natural Sources - Sampling and Sorting Bales Based on Predicted Processing Properties

Current edition approved May 1, 2014. Published May 2014. Originally approved in 2004. Last previous edition approved in 2009 as D7050 – 04 (2009). — 2 p.
This practice covers the sorting of natural rubber bales of TSR10 or TSR20 in the factory according to their predictedprocessing performance based
on differences in viscoelastic properties.
This practice determines which bales should be used in factory compounds which benefit from using “soft” naturalrubber versus which work better
with “hard” natural rubber.